Distributed applications are traditionally developed using separate modules for each component in the distributed system, which can even be written in different programming languages. Those modules react on events such as user input, which are produced by other modules, and may in turn produce new events to be handled by different modules. Thus, most distributed applications are reactive in nature. Distributed event-based data flow makes it is hard to reason about the system and therefore makes the development of distributed systems challenging. In this paper, we present language abstractions for distributed reactive programming easing the development of such applications and supporting varied distributed architectures.

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